Currently at Walgreens, if you buy $20 worth of Flintstone Vitamins, you get $10 in register rewards. Go here to print $1/1 coupons for Flintstones. So if you want to buy newspapers today at Walgreens, go pick up four bottles of Flintstones ($5 each), use 4 $1/1 coupons (you will need to print from 2 computers), pay $16 plus tax and get $10 back in Register Rewards. Then use the RRs to buy 10 papers. There are 5 inserts today!